Is_______someGermanfriendsvisite?
Is _______ some German friends vised last week? A. this school B. this the school C. this school one D. this school where 【答案】 【解析】
选 B 改成陈述句,也许会更好理解些: This is the school (that) some German friends visited lask week. that 在从句中做宾语,可以省略